212123020120198 has 32 divisors (see below), whose sum is σ = 364098499448832. Its totient is φ = 91744534041600.

The previous prime is 212123020120169. The next prime is 212123020120241. The reversal of 212123020120198 is 891021020321212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1097326011 + ... + 1097519302.

It is an arithmetic number, because the mean of its divisors is an integer number (11378078107776).

Almost surely, 2^{212123020120198} is an apocalyptic number.

212123020120198 is a deficient number, since it is larger than the sum of its proper divisors (151975479328634).

212123020120198 is a wasteful number, since it uses less digits than its factorization.

212123020120198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194845540.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 212123020120198 in words is "two hundred twelve trillion, one hundred twenty-three billion, twenty million, one hundred twenty thousand, one hundred ninety-eight".